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Microbes in human culture


Microbes (microorganisms) play many roles in the practical aspects of human culture, and sometimes appear in literature, music, film, and art.

On the practical side, microbes have been used in activities from biological warfare to fermentation in food processing; bread, beer and wine have been produced by yeasts from the dawn of civilisation, such as in ancient Egypt. Microorganisms such as bacteria and viruses are important as pathogens, causing disease to humans, crop plants, and domestic animals. Fermentation is an important source of chemicals, as industrial chemists discover how to manufacture a widening variety of organic chemicals including enzymes and bioactive molecules such as hormones and competitive inhibitors for use as medicines. Fermentation is used, too, to produce substitutes for fossil fuels in forms such as ethanol and methane; fuels may also be produced by algae. Anaerobic microorganisms are important in sewage treatment. In scientific research, yeasts serve as model organisms especially in genetics and related fields.

On the artistic side, an early poem about brewing is the Sumerian "Hymn to Ninkasi", from 1800 BC. In the Middle Ages, Giovanni Boccaccio's The Decameron and Geoffrey Chaucer's The Canterbury Tales: addressed people's fear of deadly contagion and the moral decline that could result. Novelists have exploited the apocalyptic possibilities of pandemics from Mary Shelley's 1826 The Last Man and Jack London's 1912 The Scarlet Plague onwards. Hilaire Belloc wrote a humorous poem to "The Microbe" in 1912. Dramatic plagues and mass infection have formed the story lines of many Hollywood films, starting with Nosferatu in 1922. In 1971, The Andromeda Strain told the tale of an extraterrestrial microbe threatening life on Earth.


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